Tubular lantern



(No Model.)

I'. K. WRIGHT.

/ TUBULAR LANTERN.

No. 449,094.- Patentea Mar. 24, 1891.

i a n UNITED` STATES PATENT OFFICE.

FREDERICK K.` \VRIGIIT, OF SYRAOUSE, NEV YORK.

TUBULAR LANTERN.

SPECIFICATION forming part of Letters Patent No. 449,094, dated March 24, 1891. Application filed November 20, 1890. Serial No. 372,002. (No model.)

To all whom it may concern.-

Be it known that I, FREDERICK K. WEIGHT, a citizen of the United States, residing at Syracuse, in the county of Onondaga and State of New York, have invented new and useful Improvements in Tubular Lanterns, of which the following is a specification.

This invention relates to the construction of the air-chamber and to the means by which it is secured to the oil-pot.

Heretofore the air-chamber has been formed of a blank o f tin bent to the form of a cylinder and soldered with its lower edge to the top of the oil-pot. This construction is not Very strong and reliable, and the operation of soldering the air-chamber to the oil-pot requires considera-ble time.

The object of my invention is to produce a stronger and more durable construction and reduce the expense.

In the accompanying drawings, Figure 1 is a sectional elevation of the lower part of a tubular lantern provided with my improvements. Fig. 2 is a horizontal section inline a; fr, Fig. l. Fig. 3 is a sectional elevation showing the oil-pot, the air-chamber, and theV burner-socket preparatory to securing these parts together. elevations showing modified constructions of my improvements.

Like letters of reference refer to like parts in the several figures.

A represents the oil-pot; B, the air-tubes; O, the burner; D, the globesupporting plate, and E the globe. The top plate a of the oilpot is provided with a central raised portion f, in which the central opening g is formed, in which the burner-socket is arranged.

II represents the air-chamber composed of a cylindrical wall 7L and a conical or raised bottom flange i of the proper form to rest upon the raised central portion f 0f the oilpot, and having a central opening 7' of the same diameter as the opening g in the top of the air-chamber.

K represents the burner-socket provided near its lower end with an externa-l shoulder Z, which is adapted to rest upon the bottom of the air-chamber, and below said shoulder Figs. el and 5 are sectional with a cylindrical collar m, which lits into the 5o wardly through the opening in the oil-pot.

This collar is then upset or flanged against the under side of the top plate of the oil-pot, as represented in Fig. l, whereby the airchamber and the burner-socket are both secured to the oil-pot by the same operation, 7o

thus effecting very quickly andv at tri-fiing cost an exceedingly strong` and durable connection of the parts.

If desired, the air-chamber may be secu red to the oil-pot, as represented in Fig. 4, by

making the opening in the air-chamber somewhat smaller than the opening in the oil-pot and bending the inner portion of the bottom iiange of the air-chamber around the edgel of the opening in the oil-pot and closing it 8o against the under side of the top plate thereof. Another similar construction is represented in Fig. 5, in which the looking-flange is formed on the top plate of the oil-pot and closed against the upper side of the bottom of the air-chamber. Vhen either of these constructions is adopted, the burner-socket must be soldered or otherwise secured inthe opening, and these constructions are therefore less desirable than that represented in Fig. l, in 9o which the burner-socket forms the means for securing the air-chamber and the socket itself to the oil-pot.

I claim as my invention-i l. The combination, with the oil-pot, of an air-chamber provided with a bottom'ange resting on the oil-pot,'and means whereby the bott-om iange of the air-chamber is se- The 6o cured to the oil p0l', Substantially as set fitness my hand this Sth day 0f Novemforth. bel', 1890.

2. The combination with the oil-pot of an 1 v y 7 :u air-chamber provdedwith L bottomange FREDERIU I RKHI' 5 and a burne1s0cket, whereby the bottom Hang@ is secured to the oil-pot, substantially 'Wim esses:

FRANK SIVER,

as set forth. i P. L. SMMON.

Correction in Letters Patent No. 449,094.

It is hereby certified that Letters Patent No. 449,094, granted March 24, 1891, upon the application of Frederick K. Wright, of Syracuse, New York, for au improvement in Tubular Lanterns;7 was erroneously issued to said Frederick K. Wright; 7 that said Letters Patent should have been issued to the Steam Gauge and Lantern Company, of same place, and the R. E. Dietz Company, of New York, N. Y., as sole owners of said patent as shown by record of assignments in this office; and that said Letters Patent should be read with this correction therein that the saine may conform to the record of the ease in the Patent Oftloe. i y

Signed, eountersigned, and sealed this 7th day of April, A.. D. 1891.

[SEAL] GYRUS BUSSEY,

Assistant Secretary of the Interior. Gountersigned:

C. E. MITCHELL,

Commissioner of Patents. 

